# 16385

## 16,385 is an odd composite number composed of three prime numbers multiplied together.

What does the number 16385 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

16385 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

## Prime factorization of 16385:

### 5 × 29 × 113

See below for interesting mathematical facts about the number 16385 from the Numbermatics database.

### Names of 16385

• Cardinal: 16385 can be written as Sixteen thousand, three hundred eighty-five.

### Scientific notation

• Scientific notation: 1.6385 × 104

### Factors of 16385

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 147

### Divisors of 16385

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 20520
• Sum of proper divisors (its aliquot sum) s(n): 4135
• 16385 is a deficient number, because the sum of its proper divisors (4135) is less than itself. Its deficiency is 12250

### Bases of 16385

• Binary: 1000000000000012
• Base-36: CN5

### Squares and roots of 16385

• 16385 squared (163852) is 268468225
• 16385 cubed (163853) is 4398851866625
• The square root of 16385 is 128.0039061903
• The cube root of 16385 is 25.3989335531

### Scales and comparisons

How big is 16385?
• 16,385 seconds is equal to 4 hours, 33 minutes, 5 seconds.
• To count from 1 to 16,385 would take you about four hours.

This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 16385 cubic inches would be around 2.1 feet tall.

### Recreational maths with 16385

• 16385 backwards is 58361
• The number of decimal digits it has is: 5
• The sum of 16385's digits is 23
• More coming soon!